E series multifunction power meter integrate the functions with programmable measurement, display, digital communication and electric energy pulse transmitting output, which can carry out electric power measurement, electric energy calculation, data display, data acquisition and data transmission. They are widely used in transform substation automation, Distribution network automation, intelligent construction and the inner electric energy measurement, management and evaluation in the enterprise. The meters is class 0.5, achieved LED/LCD display on spot, RS485 digital interface communication remote control, adopt MODBUS-RUT communication protocol.

Technical Data

Accuracy U, I 0.2 class, P, Q 0.5 class, Active electric energy 0.5 class, Reactive electric energy 2 class Display LED / LCD Display Network Three Phase Three Line, Three Phase Four Line Input measurement Voltage Rated value AC 100V, AC 400V Overloading Continuance: 1.2 times Instantaneous: Voltage 2 times (10s) Power consumption ＜1VA(each phase) Current Impedance ＞300kΩ Rated value AC1A, 5A Overloading Continuance: 1.2 times Instantaneous: Current 10 times (5s) Power consumption ＜0.4VA(each phase) Impedance ＜20mΩ Frequency 50/60Hz±10% Electric energy Active and reactive electric energy measuring Power supply Working range AC, DC 80V～270V Power consumption ≤5VA Output Digital value RS-485 Interface, MODBUS-RTU protocol Pulse output 2 electric energy pulse output, light coupler relay Operation condition Ambient temperature: -10～55℃, relative humidity ≤93%, no corrosive gas, height above sea level≤2500m Isolation withstand voltage Input and power supply＞2kV, input and output ＞2kV, power supply and output＞1.5kV Insulation resistance ≥100MΩ